Hey.
There are various law colleges that offer the 5 year integrated law course. Admission to each college is doen through their own procedures and entrances.
The eligibility in most of the colleges is around 45-5% marks in 12th boards. You xcan apply even if you're appearing in the same year.

You can fill the forms for a few entrance that you wish to take.

If you are interested in 5 year Integrated course of Law after 12th then the forms to be filled are-

CLAT- All National Law Universities

AILET- National Law University Delhi

SLAT- Symbiosis Law School

LSAT- All Private Law colleges

IPU CET- IP University

PU BA/BCOM LLb- Panjab University, Chandigarh

MHCET- GLC Mumbai, ILS Pune, and other law colleges in Maharashtra

Christ University

TS LAWCET

Etc

Best of luck.